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Finding the Fourth Proportional to 11,087, 15,300.08 and 6,119

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Solution

The fourth proportional to 11,087, 15,300.08 and 6,119 is: 8,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087 : 15,300.08 = 6,119 : x
  2. Step 2: Convert to fraction form
    11,087/15,300.08 = 6,119/x
  3. Step 3: Cross multiply
    11,087x = 15,300.08 × 6,119
  4. Step 4: Simplify right side
    11,087x = 93,621,189.52
  5. Step 5: Solve for x
    x = 93,621,189.52/11,087
  6. Step 6: Final answer
    x = 8,444.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.